Smallish Update

esphomeyaml/components/binary_sensor/pn532.py

@@ -0,0 +1,42 @@
+import voluptuous as vol
+
+import esphomeyaml.config_validation as cv
+from esphomeyaml.components import binary_sensor
+from esphomeyaml.components.pn532 import PN532Component
+from esphomeyaml.const import CONF_NAME, CONF_UID
+from esphomeyaml.core import HexInt
+from esphomeyaml.helpers import ArrayInitializer, get_variable
+
+DEPENDENCIES = ['pn532']
+
+CONF_PN532_ID = 'pn532_id'
+
+
+def validate_uid(value):
+    value = cv.string_strict(value)
+    for x in value.split('-'):
+        if len(x) != 2:
+            raise vol.Invalid("Each part (separated by '-') of the UID must be two characters "
+                              "long.")
+        try:
+            x = int(x, 16)
+        except ValueError:
+            raise vol.Invalid("Valid characters for parts of a UID are 0123456789ABCDEF.")
+        if x < 0 or x > 255:
+            raise vol.Invalid("Valid values for UID parts (separated by '-') are 00 to FF")
+    return value
+
+
+PLATFORM_SCHEMA = cv.nameable(binary_sensor.BINARY_SENSOR_PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_UID): validate_uid,
+    cv.GenerateID(CONF_PN532_ID): cv.use_variable_id(PN532Component)
+}))
+
+
+def to_code(config):
+    hub = None
+    for hub in get_variable(config[CONF_PN532_ID]):
+        yield
+    addr = [HexInt(int(x, 16)) for x in config[CONF_UID].split('-')]
+    rhs = hub.make_tag(config[CONF_NAME], ArrayInitializer(*addr, multiline=False))
+    binary_sensor.register_binary_sensor(rhs, config)